Home / 55,367.73-83,062.53-20,307.69

Finding the Fourth Proportional to 55,367.73, 83,062.53 and 20,307.69

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Solution

The fourth proportional to 55,367.73, 83,062.53 and 20,307.69 is: 30,465.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,367.73 : 83,062.53 = 20,307.69 : x
  2. Step 2: Convert to fraction form
    55,367.73/83,062.53 = 20,307.69/x
  3. Step 3: Cross multiply
    55,367.73x = 83,062.53 × 20,307.69
  4. Step 4: Simplify right side
    55,367.73x = 1,686,808,109.86
  5. Step 5: Solve for x
    x = 1,686,808,109.86/55,367.73
  6. Step 6: Final answer
    x = 30,465.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.